Michael J. Fox's guesting on The Good Wife episode, which aired earlier this week, was a both a commercial and critical success for the the Hollywood actor and the series.

More than 12 million tuned in to watch Fox play a lawyer who uses his "nuerological condition" to gain the sympathy from the jury in CBS's series The Good Wife, in its sixth episode for this season, The Poison Pill. The episode was the fifth most watched last Tuesday, beating Glee with around 10 million viewers that night.

Michael J. Fox, who suffers from Parkinson's disease, channeled his real life condition in what CBS called "art imitating life" to portray Louis Canning, described as a shrewd lawyer who uses his condition to distract the jurors away from the case of Alicia Florick and her team.

Fox 's character, Louis Canning is the defense lawyer for a pharmaceutical company which Alicia, played by Juliana Margulies, faces off against in a massve class action.

"He suffers from a physical affliction not dissimilar from what I have. He has no shame about," said Michael J. Fox of his character, Louis Canning.

Michael J. Fox's return to television is well-received among critics, with commedations for The Good Wife.

"It was a clever idea and performance, and typical of the way The Good Wife constantly merges fiction with real life," wrote Ken Tucker of Entertainment Weekly.

The Poison Pill episode was directed by Peter O'Fallon, and written by Keith Eisner.